电动舵机的变结构控制器设计  

Variable Structure Control in the Electromichanical Servo System of a Missile

作　　者：文建刚 费书平 曹国武 

机构地区：[1]中国兵器工业第203研究所,陕西西安710065

出　　处：《弹箭与制导学报》2003年第S6期7-10,共4页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：文中设计了一种用于导弹电动舵机的变结构控制器,提出了一种通过分析相轨迹来优化设计参数的思路,揭示了控制增益、切换系数、采样周期,以及电机的机电时间常数等参数之间的内在关系。采取了简单的消振措施。仿真结果表明:文中设计的系统能满足导弹舵机要求的各项性能指标,且控制方法简单,易于工程实现。A sliding mode Variable Structure Controller for the electromichanical servo system of a missile is designed in this paper.By analyzing the figure of phase track,parameter C,Tm and k are determinated.Besides,the relationship of parameter C,Tm,k and sample period is discussed.The inevitable problem in Variable Structure system-chattering is solved through a simple method.The theory analysis and simulation result show that the VSC designed here can satisfy the performance requirements of the missile.And it is practical in engineering.

关 键 词：电动舵机 变结构控制 滑动模态 相轨迹 抖振 

分 类 号：TJ760.3[兵器科学与技术—武器系统与运用工程]